ITEM LISTING

JM R40 12.0" thickness X 16" (32.00 sq ft / bag)

Used with wood studs spaced at 16" on center. Typical usage: Cathedral ceilings - Johns Manville fiber glass formaldehyde free wall insulation is the installers choice of insulation. It is low odor and low in toxins because it is formaldehyde free. It is also made from 20% post-consumer recycled material, making it better for the environment too!